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<div class="title">scheduledthreadpoolexecutor.hpp</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#ifndef SCHEDULEDTHREADPOOLEXECUTOR_H</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#define SCHEDULEDTHREADPOOLEXECUTOR_H</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;</div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &lt;functional&gt;</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &lt;sstream&gt;</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;</div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &quot;threadpoolexecutor.hpp&quot;</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &quot;semaphore.hpp&quot;</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div><div class="line"><a name="l00014"></a><span class="lineno"><a class="line" href="structTimerTask.html">   14</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structTimerTask.html">TimerTask</a> : <span class="keyword">public</span> <a class="code" href="classRunnable.html">Runnable</a> {</div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;    <span class="keyword">template</span>&lt;<span class="keyword">typename</span> F&gt;</div><div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="structTimerTask.html#ab87d7c5c62a8a079031b39eea3958c65">   24</a></span>&#160;    <a class="code" href="structTimerTask.html#ab87d7c5c62a8a079031b39eea3958c65">TimerTask</a>(<span class="keyword">const</span> std::chrono::nanoseconds&amp; initDelay,</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;              <span class="keyword">const</span> std::chrono::nanoseconds&amp; interval,</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;              <span class="keywordtype">bool</span> fixedRate, F&amp;&amp; f)</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;        : <a class="code" href="classRunnable.html">Runnable</a>(std::move(f)),</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;          <a class="code" href="structTimerTask.html#af49a805f814a0b92e1f96037226a2d2e">initialDelay_</a>(initDelay),</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;          <a class="code" href="structTimerTask.html#afd954f592d96d8abe152e0f54b30979e">interval_</a>(interval),</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;          <a class="code" href="structTimerTask.html#a31da300c15d00f58c2950e9752027e42">fixedRate_</a>(fixedRate),</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;          <a class="code" href="structTimerTask.html#a7bcf4dfd5b91038d4c4c5378285d4ed0">callTime_</a>(std::chrono::steady_clock::now() + initDelay) {}</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="structTimerTask.html#a1b24917388958b16efb2d4d42593e96e">   38</a></span>&#160;    <span class="keyword">explicit</span> <a class="code" href="structTimerTask.html#a1b24917388958b16efb2d4d42593e96e">TimerTask</a>(<span class="keyword">const</span> <a class="code" href="structTimerTask.html">TimerTask</a>&amp; rh)</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        : <a class="code" href="structTimerTask.html#af49a805f814a0b92e1f96037226a2d2e">initialDelay_</a>(rh.<a class="code" href="structTimerTask.html#af49a805f814a0b92e1f96037226a2d2e">initialDelay_</a>),</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;          <a class="code" href="structTimerTask.html#afd954f592d96d8abe152e0f54b30979e">interval_</a>(rh.<a class="code" href="structTimerTask.html#afd954f592d96d8abe152e0f54b30979e">interval_</a>),</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;          <a class="code" href="structTimerTask.html#a31da300c15d00f58c2950e9752027e42">fixedRate_</a>(rh.<a class="code" href="structTimerTask.html#a31da300c15d00f58c2950e9752027e42">fixedRate_</a>),</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;          <a class="code" href="structTimerTask.html#a7bcf4dfd5b91038d4c4c5378285d4ed0">callTime_</a>(rh.<a class="code" href="structTimerTask.html#a7bcf4dfd5b91038d4c4c5378285d4ed0">callTime_</a>) {}</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    <a class="code" href="structTimerTask.html#a028f1f4221afe88383ac3c17b4c1ea41">TimerTask</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structTimerTask.html#a3dfbb5770a1e3496f4e34d0795565c79">   56</a></span>&#160;    <a class="code" href="structTimerTask.html">TimerTask</a>&amp; <a class="code" href="structTimerTask.html#a3dfbb5770a1e3496f4e34d0795565c79">operator=</a>(<span class="keyword">const</span> <a class="code" href="structTimerTask.html">TimerTask</a>&amp; rh) {</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        <a class="code" href="structTimerTask.html#af49a805f814a0b92e1f96037226a2d2e">initialDelay_</a> = rh.<a class="code" href="structTimerTask.html#af49a805f814a0b92e1f96037226a2d2e">initialDelay_</a>;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        <a class="code" href="structTimerTask.html#afd954f592d96d8abe152e0f54b30979e">interval_</a> = rh.<a class="code" href="structTimerTask.html#afd954f592d96d8abe152e0f54b30979e">interval_</a>;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        <a class="code" href="structTimerTask.html#a31da300c15d00f58c2950e9752027e42">fixedRate_</a> = rh.<a class="code" href="structTimerTask.html#a31da300c15d00f58c2950e9752027e42">fixedRate_</a>;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        <a class="code" href="structTimerTask.html#a7bcf4dfd5b91038d4c4c5378285d4ed0">callTime_</a> = rh.<a class="code" href="structTimerTask.html#a7bcf4dfd5b91038d4c4c5378285d4ed0">callTime_</a>;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    }</div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="structTimerTask.html#af49a805f814a0b92e1f96037226a2d2e">   64</a></span>&#160;    std::chrono::nanoseconds <a class="code" href="structTimerTask.html#af49a805f814a0b92e1f96037226a2d2e">initialDelay_</a>{0};</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="structTimerTask.html#afd954f592d96d8abe152e0f54b30979e">   66</a></span>&#160;    std::chrono::nanoseconds <a class="code" href="structTimerTask.html#afd954f592d96d8abe152e0f54b30979e">interval_</a>{0};</div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="structTimerTask.html#a31da300c15d00f58c2950e9752027e42">   68</a></span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="structTimerTask.html#a31da300c15d00f58c2950e9752027e42">fixedRate_</a>;</div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="structTimerTask.html#a7bcf4dfd5b91038d4c4c5378285d4ed0">   70</a></span>&#160;    std::chrono::steady_clock::time_point <a class="code" href="structTimerTask.html#a7bcf4dfd5b91038d4c4c5378285d4ed0">callTime_</a>;</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;};</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="classScheduledThreadPoolExecutor.html">   76</a></span>&#160;<span class="keyword">class </span><a class="code" href="classScheduledThreadPoolExecutor.html">ScheduledThreadPoolExecutor</a>: <span class="keyword">public</span> <a class="code" href="classThreadPoolExecutor.html">ThreadPoolExecutor</a> {</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    <span class="keyword">private</span>:</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;        <span class="keyword">struct </span>Comp {</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;            <span class="keyword">public</span>:</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;                <span class="keywordtype">bool</span> <a class="code" href="classRunnable.html#a38bf849dab4bbb86fc5bc6e7aff383e0">operator()</a>(<span class="keyword">const</span> std::shared_ptr&lt;TimerTask&gt;&amp; t1, <span class="keyword">const</span> std::shared_ptr&lt;TimerTask&gt;&amp; t2) {</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;                    <span class="keywordflow">return</span> t1-&gt;callTime_ &gt; t2-&gt;callTime_;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;                }</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;        };</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        std::vector&lt;std::shared_ptr&lt;TimerTask&gt;&gt; timerTasks_;</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;        <a class="code" href="classSemaphore.html">Semaphore</a> sem_{0};</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="keyword">public</span>:</div><div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="classScheduledThreadPoolExecutor.html#a880b17439bcdcf9b7542925e24033691">  101</a></span>&#160;        <a class="code" href="classScheduledThreadPoolExecutor.html#a880b17439bcdcf9b7542925e24033691">ScheduledThreadPoolExecutor</a>(<span class="keywordtype">int</span> corePoolSize, <span class="keyword">const</span> std::string&amp; prefix = <span class="stringliteral">&quot;&quot;</span>)</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;            : <a class="code" href="classThreadPoolExecutor.html">ThreadPoolExecutor</a>(corePoolSize, corePoolSize, prefix),</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;              timerTasks_() {}</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="classScheduledThreadPoolExecutor.html">ScheduledThreadPoolExecutor</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    <span class="keyword">private</span>:</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> coreWorkerThread(<span class="keywordtype">size_t</span>) {</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;            std::chrono::steady_clock::time_point callTime;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;            std::shared_ptr&lt;TimerTask&gt; timerTask;</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;            <span class="keywordflow">while</span>(runStateOf(ctl_.load()) &lt;= SHUTDOWN) {</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;                sem_.wait();</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;                {</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;                    std::lock_guard&lt;std::mutex&gt; lock(mutex_);</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;                    timerTask = timerTasks_.front();</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;                    std::pop_heap(timerTasks_.begin(), timerTasks_.end(), Comp());</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;                    timerTasks_.pop_back();</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;                }</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;                <span class="comment">//如果是fixed rate就在执行前更新下次执行时间</span></div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;                <span class="comment">//否则在执行后更新</span></div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;                callTime = timerTask-&gt;callTime_;</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;                <span class="keywordflow">if</span> (timerTask-&gt;fixedRate_) {</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;                    timerTask-&gt;callTime_ = std::chrono::steady_clock::now() + timerTask-&gt;interval_;</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;                    std::this_thread::sleep_until(callTime);</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;                    timerTask-&gt;operator()();</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;                } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;                    std::this_thread::sleep_until(callTime);</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;                    timerTask-&gt;operator()();</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;                    timerTask-&gt;callTime_ = std::chrono::steady_clock::now() + timerTask-&gt;interval_;</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;                }</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;                <span class="comment">//执行完毕并更新时间完成,将任务放回小顶堆</span></div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;                {</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;                    std::lock_guard&lt;std::mutex&gt; lock_guard(mutex_);</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;                    timerTasks_.push_back(timerTask);</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;                    std::push_heap(timerTasks_.begin(), timerTasks_.end(), Comp());</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;                }</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;                sem_.post();</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;            }</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        }</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    <span class="keyword">public</span>:</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        <span class="comment">//隐藏父类某些函数</span></div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> execute()                  = <span class="keyword">delete</span>;</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">bool</span> addWorker()                = <span class="keyword">delete</span>;</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> workerThread()             = <span class="keyword">delete</span>;</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> setMaxPoolSize()           = <span class="keyword">delete</span>;</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">bool</span> keepNonCoreThreadAlive()   = <span class="keyword">delete</span>;</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> releaseNonCoreThreads(<span class="keywordtype">int</span>) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    <span class="keyword">public</span>:</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">typename</span> F&gt;</div><div class="line"><a name="l00167"></a><span class="lineno"><a class="line" href="classScheduledThreadPoolExecutor.html#a45e622833714db87a86d50eb45c8f338">  167</a></span>&#160;        <span class="keywordtype">void</span> <a class="code" href="classScheduledThreadPoolExecutor.html#a45e622833714db87a86d50eb45c8f338">schedule</a>(F f, <span class="keyword">const</span> std::chrono::nanoseconds&amp; delay) {</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;            int32_t c = ctl_.load();</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;            int32_t rs = runStateOf(c);</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;            int32_t wc = workerCountOf(c);</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;            <span class="keywordflow">if</span> (rs &gt;= SHUTDOWN)</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;                reject(<a class="code" href="classRunnable.html#a5769222dcc4b2adca7723bfbdfa00cbb">Runnable</a>(std::move(f)));</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;            {</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;                std::lock_guard&lt;std::mutex&gt; lock(mutex_);</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;                timerTasks_.emplace_back(<span class="keyword">new</span> <a class="code" href="structTimerTask.html#a028f1f4221afe88383ac3c17b4c1ea41">TimerTask</a>(delay, delay, <span class="keyword">false</span>, std::move(f)));</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;                std::push_heap(timerTasks_.begin(), timerTasks_.end(), Comp());</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;            }</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;            sem_.post();</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;            <span class="keywordflow">if</span>(wc &lt; corePoolSize_ &amp;&amp; compareAndIncrementWorkerCount(c)) {</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;                threads_.emplace_back(<span class="keyword">new</span> <a class="code" href="classThread.html">Thread</a>(std::bind(&amp;ScheduledThreadPoolExecutor::coreWorkerThread, <span class="keyword">this</span>, 0), prefix_));</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;                threads_.back()-&gt;start();</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;                everPoolSize_++;</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;            }</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;        }</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;</div><div class="line"><a name="l00193"></a><span class="lineno"><a class="line" href="classScheduledThreadPoolExecutor.html#a30f723414e619a950f1efd968d13921d">  193</a></span>&#160;        <span class="keywordtype">void</span> <a class="code" href="classScheduledThreadPoolExecutor.html#a30f723414e619a950f1efd968d13921d">schedule</a>(<span class="keyword">const</span> std::shared_ptr&lt;TimerTask&gt;&amp; f) {</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            int32_t c = ctl_.load();</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;            int32_t rs = runStateOf(c);</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;            int32_t wc = workerCountOf(c);</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;            <span class="keywordflow">if</span> (rs &gt;= SHUTDOWN)</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;                reject(*f);</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;            {</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;                std::lock_guard&lt;std::mutex&gt; lock(mutex_);</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;                timerTasks_.push_back(f);</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;                std::push_heap(timerTasks_.begin(), timerTasks_.end(), Comp());</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;            }</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;            sem_.post();</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;            <span class="keywordflow">if</span>(wc &lt; corePoolSize_ &amp;&amp; compareAndIncrementWorkerCount(c)) {</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;                threads_.emplace_back(<span class="keyword">new</span> <a class="code" href="classThread.html">Thread</a>(std::bind(&amp;ScheduledThreadPoolExecutor::coreWorkerThread, <span class="keyword">this</span>, 9), prefix_));</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;                threads_.back()-&gt;start();</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;                everPoolSize_++;</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;            }</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;        }</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">typename</span> F&gt;</div><div class="line"><a name="l00220"></a><span class="lineno"><a class="line" href="classScheduledThreadPoolExecutor.html#aebcb96fcb3f5bfc6e55ffcef9f38d60b">  220</a></span>&#160;        <span class="keywordtype">void</span> <a class="code" href="classScheduledThreadPoolExecutor.html#aebcb96fcb3f5bfc6e55ffcef9f38d60b">scheduleAtFixedRate</a>(F f,</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;                                 <span class="keyword">const</span> std::chrono::nanoseconds&amp; initialDelay,</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;                                 <span class="keyword">const</span> std::chrono::nanoseconds&amp; period) {</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;            int32_t c = ctl_.load();</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;            int32_t rs = runStateOf(c);</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;            int32_t wc = workerCountOf(c);</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;            <span class="keywordflow">if</span> (rs &gt;= SHUTDOWN)</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;                reject(<a class="code" href="classRunnable.html#a5769222dcc4b2adca7723bfbdfa00cbb">Runnable</a>(std::move(f)));</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;            {</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;                std::lock_guard&lt;std::mutex&gt; lock(mutex_);</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;                timerTasks_.emplace_back(<span class="keyword">new</span> <a class="code" href="structTimerTask.html#a028f1f4221afe88383ac3c17b4c1ea41">TimerTask</a>(initialDelay, period, <span class="keyword">true</span>, std::move(f)));</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;                std::push_heap(timerTasks_.begin(), timerTasks_.end(), Comp());</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;            }</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;            sem_.post();</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;            <span class="keywordflow">if</span>(wc &lt; corePoolSize_ &amp;&amp; compareAndIncrementWorkerCount(c)) {</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;                threads_.emplace_back(<span class="keyword">new</span> <a class="code" href="classThread.html">Thread</a>(std::bind(&amp;ScheduledThreadPoolExecutor::coreWorkerThread, <span class="keyword">this</span>, 0), prefix_));</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;                threads_.back()-&gt;start();</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;                everPoolSize_++;</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;            }</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;        }</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">typename</span> F&gt;</div><div class="line"><a name="l00249"></a><span class="lineno"><a class="line" href="classScheduledThreadPoolExecutor.html#a594bb3111f9d051ad12f366a13a54db0">  249</a></span>&#160;        <span class="keywordtype">void</span> <a class="code" href="classScheduledThreadPoolExecutor.html#a594bb3111f9d051ad12f366a13a54db0">scheduleAtFixedDelay</a>(F f,</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;                                  <span class="keyword">const</span> std::chrono::nanoseconds&amp; initialDelay,</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;                                  <span class="keyword">const</span> std::chrono::nanoseconds&amp; delay) {</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;            int32_t c = ctl_.load();</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;            int32_t rs = runStateOf(c);</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;            int32_t wc = workerCountOf(c);</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;            <span class="keywordflow">if</span> (rs &gt;= SHUTDOWN)</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;                reject(<a class="code" href="classRunnable.html#a5769222dcc4b2adca7723bfbdfa00cbb">Runnable</a>(std::move(f)));</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;            {</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;                std::lock_guard&lt;std::mutex&gt; lock(mutex_);</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;                timerTasks_.emplace_back(initialDelay, delay, <span class="keyword">false</span>, std::move(f));</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;                std::push_heap(timerTasks_.begin(), timerTasks_.end(), Comp());</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;            }</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;            sem_.post();</div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;            <span class="keywordflow">if</span>(wc &lt; corePoolSize_ &amp;&amp; compareAndIncrementWorkerCount(c)) {</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;                threads_.emplace_back(<span class="keyword">new</span> <a class="code" href="classThread.html">Thread</a>(std::bind(&amp;ScheduledThreadPoolExecutor::coreWorkerThread, <span class="keyword">this</span>, 0), prefix_));</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;                threads_.back()-&gt;start();</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;                everPoolSize_++;</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;            }</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;        }</div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;</div><div class="line"><a name="l00275"></a><span class="lineno"><a class="line" href="classScheduledThreadPoolExecutor.html#aed48379bdc243fd07e593205ca28f48d">  275</a></span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classScheduledThreadPoolExecutor.html#aed48379bdc243fd07e593205ca28f48d">preStartCoreThreads</a>() {</div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;            int32_t c = ctl_.load();</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;            <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; corePoolSize_; ++i) {</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;                <span class="keywordflow">if</span> (compareAndIncrementWorkerCount(c)) {</div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;                    threads_.emplace_back(<span class="keyword">new</span> <a class="code" href="classThread.html">Thread</a>(std::bind(&amp;ScheduledThreadPoolExecutor::coreWorkerThread,</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;                                                     <span class="keyword">this</span>, 0), prefix_));</div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;                }</div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;                c = ctl_.load();</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;                threads_[i]-&gt;start();</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;                everPoolSize_++;</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;            }</div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;            <span class="keywordflow">return</span> everPoolSize_;</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;        }</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;</div><div class="line"><a name="l00289"></a><span class="lineno"><a class="line" href="classScheduledThreadPoolExecutor.html#a4a785e058d76dc861a23904d7e1033f0">  289</a></span>&#160;        std::string <a class="code" href="classScheduledThreadPoolExecutor.html#a4a785e058d76dc861a23904d7e1033f0">toString</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;            int32_t c = ctl_.load();</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;            std::string rs = (runStateLessThan(c, SHUTDOWN) ? <span class="stringliteral">&quot;Running&quot;</span> :</div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;                              (runStateAtLeast(c, TERMINATED) ? <span class="stringliteral">&quot;Terminated&quot;</span> :</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;                               <span class="stringliteral">&quot;ShuttingDown&quot;</span>));</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;            std::stringstream ss;</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;            ss &lt;&lt; <span class="stringliteral">&quot;STATE=&quot;</span>               &lt;&lt; rs</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;               &lt;&lt; <span class="stringliteral">&quot; EVER_POOL_SIZE=&quot;</span>     &lt;&lt; everPoolSize_</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;               &lt;&lt; <span class="stringliteral">&quot; CORE_POOL_SIZE=&quot;</span>     &lt;&lt; corePoolSize_</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;               &lt;&lt; <span class="stringliteral">&quot; TASK_COUNT=&quot;</span>         &lt;&lt; getTaskCount();</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;            <span class="keywordflow">return</span> ss.str();</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;        }</div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;</div><div class="line"><a name="l00302"></a><span class="lineno"><a class="line" href="classScheduledThreadPoolExecutor.html#a786bc8478d265dfe0288de9397c7f768">  302</a></span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">long</span> <a class="code" href="classScheduledThreadPoolExecutor.html#a786bc8478d265dfe0288de9397c7f768">getTaskCount</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;            std::lock_guard&lt;std::mutex&gt; lock(mutex_);</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;            <span class="keywordflow">return</span> timerTasks_.size();</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;        }</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;};</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* SCHEDULEDTHREADPOOLEXECUTOR_H */</span><span class="preprocessor"></span></div><div class="ttc" id="structTimerTask_html"><div class="ttname"><a href="structTimerTask.html">TimerTask</a></div><div class="ttdoc">定时任务封装 </div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:14</div></div>
<div class="ttc" id="structTimerTask_html_afd954f592d96d8abe152e0f54b30979e"><div class="ttname"><a href="structTimerTask.html#afd954f592d96d8abe152e0f54b30979e">TimerTask::interval_</a></div><div class="ttdeci">std::chrono::nanoseconds interval_</div><div class="ttdoc">固定延迟或间隔 </div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:66</div></div>
<div class="ttc" id="structTimerTask_html_a31da300c15d00f58c2950e9752027e42"><div class="ttname"><a href="structTimerTask.html#a31da300c15d00f58c2950e9752027e42">TimerTask::fixedRate_</a></div><div class="ttdeci">bool fixedRate_</div><div class="ttdoc">是否是固定间隔执行 </div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:68</div></div>
<div class="ttc" id="structTimerTask_html_a028f1f4221afe88383ac3c17b4c1ea41"><div class="ttname"><a href="structTimerTask.html#a028f1f4221afe88383ac3c17b4c1ea41">TimerTask::TimerTask</a></div><div class="ttdeci">TimerTask()=default</div><div class="ttdoc">TimerTask 默认构造 </div></div>
<div class="ttc" id="classScheduledThreadPoolExecutor_html_aebcb96fcb3f5bfc6e55ffcef9f38d60b"><div class="ttname"><a href="classScheduledThreadPoolExecutor.html#aebcb96fcb3f5bfc6e55ffcef9f38d60b">ScheduledThreadPoolExecutor::scheduleAtFixedRate</a></div><div class="ttdeci">void scheduleAtFixedRate(F f, const std::chrono::nanoseconds &amp;initialDelay, const std::chrono::nanoseconds &amp;period)</div><div class="ttdoc">scheduleAtFixedRate 固定间隔调用 </div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:220</div></div>
<div class="ttc" id="classScheduledThreadPoolExecutor_html_a30f723414e619a950f1efd968d13921d"><div class="ttname"><a href="classScheduledThreadPoolExecutor.html#a30f723414e619a950f1efd968d13921d">ScheduledThreadPoolExecutor::schedule</a></div><div class="ttdeci">void schedule(const std::shared_ptr&lt; TimerTask &gt; &amp;f)</div><div class="ttdoc">schedule 在将来某个时候执行给定的任务, 任务可以在新线程或现有的合并的线程中执行, 会抛出异常 ...</div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:193</div></div>
<div class="ttc" id="classSemaphore_html"><div class="ttname"><a href="classSemaphore.html">Semaphore</a></div><div class="ttdoc">信号量 </div><div class="ttdef"><b>Definition:</b> semaphore.hpp:10</div></div>
<div class="ttc" id="structTimerTask_html_a1b24917388958b16efb2d4d42593e96e"><div class="ttname"><a href="structTimerTask.html#a1b24917388958b16efb2d4d42593e96e">TimerTask::TimerTask</a></div><div class="ttdeci">TimerTask(const TimerTask &amp;rh)</div><div class="ttdoc">TimerTask 拷贝构造 </div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:38</div></div>
<div class="ttc" id="classScheduledThreadPoolExecutor_html_a594bb3111f9d051ad12f366a13a54db0"><div class="ttname"><a href="classScheduledThreadPoolExecutor.html#a594bb3111f9d051ad12f366a13a54db0">ScheduledThreadPoolExecutor::scheduleAtFixedDelay</a></div><div class="ttdeci">void scheduleAtFixedDelay(F f, const std::chrono::nanoseconds &amp;initialDelay, const std::chrono::nanoseconds &amp;delay)</div><div class="ttdoc">scheduleAtFixedDelay 固定延迟调用 </div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:249</div></div>
<div class="ttc" id="classRunnable_html_a38bf849dab4bbb86fc5bc6e7aff383e0"><div class="ttname"><a href="classRunnable.html#a38bf849dab4bbb86fc5bc6e7aff383e0">Runnable::operator()</a></div><div class="ttdeci">virtual void operator()()</div><div class="ttdoc">operator() 重载实现操作 </div><div class="ttdef"><b>Definition:</b> runnable.hpp:78</div></div>
<div class="ttc" id="classScheduledThreadPoolExecutor_html"><div class="ttname"><a href="classScheduledThreadPoolExecutor.html">ScheduledThreadPoolExecutor</a></div><div class="ttdoc">定时任务调度线程池,最大线程数和核心线程数相等 </div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:76</div></div>
<div class="ttc" id="structTimerTask_html_a7bcf4dfd5b91038d4c4c5378285d4ed0"><div class="ttname"><a href="structTimerTask.html#a7bcf4dfd5b91038d4c4c5378285d4ed0">TimerTask::callTime_</a></div><div class="ttdeci">std::chrono::steady_clock::time_point callTime_</div><div class="ttdoc">下次执行时间 </div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:70</div></div>
<div class="ttc" id="classScheduledThreadPoolExecutor_html_a4a785e058d76dc861a23904d7e1033f0"><div class="ttname"><a href="classScheduledThreadPoolExecutor.html#a4a785e058d76dc861a23904d7e1033f0">ScheduledThreadPoolExecutor::toString</a></div><div class="ttdeci">std::string toString() const</div><div class="ttdoc">toString 返回标识此池的字符串及其状态，包括运行状态和估计的Worker和任务计数的指示 ...</div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:289</div></div>
<div class="ttc" id="structTimerTask_html_a3dfbb5770a1e3496f4e34d0795565c79"><div class="ttname"><a href="structTimerTask.html#a3dfbb5770a1e3496f4e34d0795565c79">TimerTask::operator=</a></div><div class="ttdeci">TimerTask &amp; operator=(const TimerTask &amp;rh)</div><div class="ttdoc">operator= 赋值运算符 </div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:56</div></div>
<div class="ttc" id="classScheduledThreadPoolExecutor_html_a880b17439bcdcf9b7542925e24033691"><div class="ttname"><a href="classScheduledThreadPoolExecutor.html#a880b17439bcdcf9b7542925e24033691">ScheduledThreadPoolExecutor::ScheduledThreadPoolExecutor</a></div><div class="ttdeci">ScheduledThreadPoolExecutor(int corePoolSize, const std::string &amp;prefix=&quot;&quot;)</div><div class="ttdoc">ScheduledThreadPoolExecutor 构造函数 </div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:101</div></div>
<div class="ttc" id="classScheduledThreadPoolExecutor_html_aed48379bdc243fd07e593205ca28f48d"><div class="ttname"><a href="classScheduledThreadPoolExecutor.html#aed48379bdc243fd07e593205ca28f48d">ScheduledThreadPoolExecutor::preStartCoreThreads</a></div><div class="ttdeci">virtual int preStartCoreThreads()</div><div class="ttdoc">preStartCoreThreads 提前启动核心线程 </div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:275</div></div>
<div class="ttc" id="classThreadPoolExecutor_html"><div class="ttname"><a href="classThreadPoolExecutor.html">ThreadPoolExecutor</a></div><div class="ttdoc">线程池基本实现,每个线程都有一个任务队列 </div><div class="ttdef"><b>Definition:</b> threadpoolexecutor.hpp:45</div></div>
<div class="ttc" id="classRunnable_html"><div class="ttname"><a href="classRunnable.html">Runnable</a></div><div class="ttdoc">Runnable interface 重写operator()或传进lambda </div><div class="ttdef"><b>Definition:</b> runnable.hpp:13</div></div>
<div class="ttc" id="classThread_html"><div class="ttname"><a href="classThread.html">Thread</a></div><div class="ttdoc">C++11线程封装类,包含更丰富功能 </div><div class="ttdef"><b>Definition:</b> thread.hpp:122</div></div>
<div class="ttc" id="classRunnable_html_a5769222dcc4b2adca7723bfbdfa00cbb"><div class="ttname"><a href="classRunnable.html#a5769222dcc4b2adca7723bfbdfa00cbb">Runnable::Runnable</a></div><div class="ttdeci">Runnable()=default</div><div class="ttdoc">Runnable 默认构造 </div></div>
<div class="ttc" id="classScheduledThreadPoolExecutor_html_a786bc8478d265dfe0288de9397c7f768"><div class="ttname"><a href="classScheduledThreadPoolExecutor.html#a786bc8478d265dfe0288de9397c7f768">ScheduledThreadPoolExecutor::getTaskCount</a></div><div class="ttdeci">virtual long getTaskCount() const</div><div class="ttdoc">getTaskCount 得到任务队列大小 </div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:302</div></div>
<div class="ttc" id="structTimerTask_html_ab87d7c5c62a8a079031b39eea3958c65"><div class="ttname"><a href="structTimerTask.html#ab87d7c5c62a8a079031b39eea3958c65">TimerTask::TimerTask</a></div><div class="ttdeci">TimerTask(const std::chrono::nanoseconds &amp;initDelay, const std::chrono::nanoseconds &amp;interval, bool fixedRate, F &amp;&amp;f)</div><div class="ttdoc">TimerTask 构造函数 </div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:24</div></div>
<div class="ttc" id="structTimerTask_html_af49a805f814a0b92e1f96037226a2d2e"><div class="ttname"><a href="structTimerTask.html#af49a805f814a0b92e1f96037226a2d2e">TimerTask::initialDelay_</a></div><div class="ttdeci">std::chrono::nanoseconds initialDelay_</div><div class="ttdoc">初次延迟 </div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:64</div></div>
<div class="ttc" id="classScheduledThreadPoolExecutor_html_a45e622833714db87a86d50eb45c8f338"><div class="ttname"><a href="classScheduledThreadPoolExecutor.html#a45e622833714db87a86d50eb45c8f338">ScheduledThreadPoolExecutor::schedule</a></div><div class="ttdeci">void schedule(F f, const std::chrono::nanoseconds &amp;delay)</div><div class="ttdoc">schedule 在将来某个时候执行给定的任务, 任务可以在新线程或现有的合并的线程中执行, 会抛出异常 ...</div><div class="ttdef"><b>Definition:</b> scheduledthreadpoolexecutor.hpp:167</div></div>
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